Shall We Pretend Vista Never Happened?
Is Windows 7 a major or minor release? Microsoft emphatically claims that Windows 7 is indeed a major release and that we shouldn't be confused by the version number (6.1), the fact that the underlying core of the OS hasn't changed a whit since Windows Vista, and that the basic look and feel of the system is unchanged as well. Instead, they claim, the many usability changes they've implemented in Windows 7 prove that this new OS is indeed a major release. Read more at the source.